125 lines
3.2 KiB
TypeScript
125 lines
3.2 KiB
TypeScript
//// [derivedClassWithoutExplicitConstructor3.ts]
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// automatic constructors with a class hieararchy of depth > 2
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class Base {
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a = 1;
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constructor(x: number) { this.a = x; }
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}
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class Derived extends Base {
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b = '';
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constructor(y: string, z: string) {
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super(2);
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this.b = y;
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}
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}
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class Derived2 extends Derived {
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x = 1
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y = 'hello';
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}
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var r = new Derived(); // error
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var r2 = new Derived2(1); // error
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var r3 = new Derived('', '');
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class Base2<T> {
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a: T;
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constructor(x: T) { this.a = x; }
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}
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class D<T> extends Base {
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b: T = null;
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constructor(y: T, z: T) {
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super(2);
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this.b = y;
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}
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}
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class D2<T extends Date> extends D<T> {
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x = 2
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y: T = null;
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}
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var d = new D2(); // error
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var d2 = new D2(new Date()); // error
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var d3 = new D2(new Date(), new Date()); // ok
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//// [derivedClassWithoutExplicitConstructor3.js]
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// automatic constructors with a class hieararchy of depth > 2
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var __extends = (this && this.__extends) || (function () {
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var extendStatics = function (d, b) {
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extendStatics = Object.setPrototypeOf ||
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({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
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function (d, b) { for (var p in b) if (Object.prototype.hasOwnProperty.call(b, p)) d[p] = b[p]; };
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return extendStatics(d, b);
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};
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return function (d, b) {
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if (typeof b !== "function" && b !== null)
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throw new TypeError("Class extends value " + String(b) + " is not a constructor or null");
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extendStatics(d, b);
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function __() { this.constructor = d; }
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d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
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};
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})();
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var Base = /** @class */ (function () {
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function Base(x) {
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this.a = 1;
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this.a = x;
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}
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return Base;
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}());
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var Derived = /** @class */ (function (_super) {
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__extends(Derived, _super);
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function Derived(y, z) {
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var _this = _super.call(this, 2) || this;
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_this.b = '';
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_this.b = y;
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return _this;
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}
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return Derived;
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}(Base));
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var Derived2 = /** @class */ (function (_super) {
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__extends(Derived2, _super);
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function Derived2() {
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var _this = _super !== null && _super.apply(this, arguments) || this;
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_this.x = 1;
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_this.y = 'hello';
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return _this;
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}
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return Derived2;
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}(Derived));
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var r = new Derived(); // error
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var r2 = new Derived2(1); // error
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var r3 = new Derived('', '');
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var Base2 = /** @class */ (function () {
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function Base2(x) {
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this.a = x;
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}
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return Base2;
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}());
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var D = /** @class */ (function (_super) {
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__extends(D, _super);
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function D(y, z) {
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var _this = _super.call(this, 2) || this;
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_this.b = null;
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_this.b = y;
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return _this;
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}
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return D;
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}(Base));
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var D2 = /** @class */ (function (_super) {
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__extends(D2, _super);
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function D2() {
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var _this = _super !== null && _super.apply(this, arguments) || this;
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_this.x = 2;
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_this.y = null;
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return _this;
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}
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return D2;
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}(D));
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var d = new D2(); // error
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var d2 = new D2(new Date()); // error
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var d3 = new D2(new Date(), new Date()); // ok
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